4/5 + 1/2
To add these fractions, you need to find a common denominator. The least common multiple of 5 and 2 is 10. Therefore, you need to convert the fractions so that they have a denominator of 10.
Converting 4/5 to have a denominator of 10: (4/5) * (2/2) = 8/10
Converting 1/2 to have a denominator of 10: (1/2) * (5/5) = 5/10
Now that both fractions have a denominator of 10, you can add them:
8/10 + 5/10 = 13/10
The sum of 4/5 and 1/2 is 13/10.